12 Days of Christmas
405
400
339
24 Game
229
186
99 Bottles of Beer
304292311
218
Abundant Numbers
507580663
684
Abundant Numbers (Long)
801624814
740
Alphabetic Numbers
207
Arabic to Roman
322
Arithmetic Numbers
728
Arrows
203212211
255
Ascending Primes
455
ASCII Table
645493438
396
Calendar
813353278
Card Number Validation
276283
215
Catalan Numbers
49
12
458
Catalan’s Constant
140
Christmas Trees
734129
Collatz
828653821
633
Continued Fractions
702437499
CSS Colors
109
Cubes
86
Day of Week
574380
Diamonds
494
Divisors
864676761
Emirp Numbers
376346289
301
Emirp Numbers (Long)
586
Emojify
205
Evil Numbers
438505528
740
Evil Numbers (Long)
472454534
Factorial Factorisation
495408414
Farey Sequence
531
567
Fibonacci
866753907
367
700932
Fizz Buzz
788783839
321
Foo Fizz Buzz Bar
672501655
Forsyth–Edwards Notation
334193
Fractions
509
Gijswijt’s Sequence
85
Gray Code Decoder
482593
Gray Code Encoder
304437
Happy Numbers
370338336
Happy Numbers (Long)
619
Hilbert Curve
267
Intersection
345571494
205
Inventory Sequence
459383
286
ISBN
541
Jacobi Symbol
436422
379
Kaprekar Numbers
149
Kolakoski Constant
134
Kolakoski Sequence
61
Leap Years
600730772
472
754
Leyland Numbers
291
505
ln 2
472467
121
716
Look and Say
185
Lucky Numbers
562488
452
Lucky Tickets
434
Mandelbrot
383
Medal Tally
276
337
Morse Decoder
209
110
Morse Encoder
214
Multitap Input
244198
211
N Queens
41227288
404
Niven Numbers
747330389
692
Niven Numbers (Long)
657554
554
Number Spiral
414
Odious Numbers
488420436
592
Odious Numbers (Long)
534289320
Ordinal Numbers
457
PalindromemordnilaP
516377
Pangram Grep
496323477
Partition Numbers
577432
Pascal’s Triangle
538623734
Pernicious Numbers
520296331
Pernicious Numbers (Long)
563
Polyominoes
46
Prime Numbers
584612643
284
Prime Numbers (Long)
741631766
Quine
547479509
738
Recamán
524620736
Rijndael S-box
17899
142
Rock-paper-scissors-Spock-lizard
388273
Roman to Arabic
385
ROT13
460
Set
393353396
Seven Segment
272
Sierpiński Triangle
157125144
Smith Numbers
472394498
Sudoku
418234
Sudoku (Fill-in)
253173
195
Taxicab Numbers
723
440
238
Tic-tac-toe
241172228
183
Tongue-twisters
503
Tower of Hanoi
56
Transpose Sentence
309
517
Trinomial Triangle
422342
United States
129
Vampire Numbers
248
210
Van Eck Sequence
465
γ
399541
λ
207
174
π
477532194
223
τ
359384261
φ
503481539
630
√2
479506520
618
𝑒
585526556
561